-LRB- CNN -RRB- -- Apple CEO Tim Cook might soon be sharing Silicon Valley 's most expensive cup of coffee .

Sometime in the next year , Cook will sit down for a cup of mud with someone who has paid at least $ 210,000 for the privilege .

Apple fandom taken to its craziest , and costliest , extreme ? Perhaps . But it 's all for a good cause .

Cook has volunteered , through the online-auction site Charity Buzz , to share up to an hour of his precious time with two lucky -LRB- and deep-pocketed -RRB- winners . Proceeds from the auction will go to The RFK Center for Justice and Human Rights , an international nonprofit founded as a memorial to Robert F. Kennedy by his family and friends .

In the auction 's first day , Cook had gotten 52 bids , starting at $ 5,000 and spiraling upward quickly . The leading bid Thursday evening was $ 210,000 , and there were still 19 days to go until bidding closes May 14 .

The coffee chat will happen at Apple 's Cupertino , California , headquarters . The winner may bring along one guest .

The move fits in with the more open public persona Cook has adopted since replacing late Apple CEO and co-founder Steve Jobs . One of the knocks on Jobs was that he never contributed much of his considerable fortune , or celebrity , to charity -- at least not in the public ways other tech titans like Microsoft 's Bill Gates and Facebook 's Mark Zuckerberg have .

By some measures , a $ 180,000 coffee meeting with the chief of the world 's leading tech company might be a bargain . An anonymous bidder paid $ 3.4 million last year for lunch with investor Warren Buffett .

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Other celebs taking part in the auction for the RFK Center include Robert DeNiro , Alex Trebek , Carrie Underwood , Peyton Manning , William Shatner and David Letterman .

But if you think Apple 's typical hyper-controlling approach to its world will be relaxed during Cook 's coffee klatch , think again . For one , there will be no live-tweeting .

`` The winner can not blog , social network , talk to press , write about , take pictures or record during the experience in any way due to security regulations , '' reads the auction 's legal terms .

Visitors will be required to sign a nondisclosure agreement and are subject to a security screening .

`` We expect all winning bidders and their guests to conduct themselves appropriately when attending an experience won at Charitybuzz , '' the terms continue . `` Polite manners and respect for the generous donor and adherence to any rules or parameters are a must . ''

Travel and lodging for the visit , which will last between 30 minutes and an hour , are not covered . No word on whether Cook will pick up the tab for the coffee .

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Want to meet Apple CEO Tim Cook ? He 's auctioning a coffee talk for big bucks

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The visit will benefit The RFK Center for Justice and Human Rights

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As of Thursday evening , the top bidder had pledged $ 210,000

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The winner must sign a nondisclosure agreement : no tweeting or blogging